APA (7th ed.) Citation

Unesco, Lazarev, V. N., Demus, O., & Grabar, I. E. (1958). USSR: Early russian icons. New York Graphic Society.

Chicago Style (17th ed.) Citation

Unesco, Viktor Nikitich Lazarev, Otto Demus, and Igor Emmanuilovich Grabar. USSR: Early Russian Icons. New York: New York Graphic Society, 1958.

MLA (9th ed.) Citation

Unesco, et al. USSR: Early Russian Icons. New York Graphic Society, 1958.